To help celebrate the opening of several Michael Kors stores throughout the world, Tony Award winner Idina Menzel will offer a free performance outside Kors' Madison Avenue boutique Sept. 10.

Part of Fashion's Night Out in New York City, the 9 PM performance is open to the public. Designer Kors will join the Tony-winning actress on a few numbers.

Menzel won a Tony Award for Leading Actress in a Musical for her work as Elphaba in Wicked; she also opened the London production of that hit musical. Menzel created the role of Maureen in the original Broadway company of Rent, and her other theatrical credits include the City Center Encores! production of Hair, Manhattan Theatre Club's The Wild Party, the Public Theater's See What I Wanna See and the benefit Funny Girl concert. Menzel's film credits include "Ask the Dust," "Rent" and "Enchanted." She was also seen on the first season of the Fox hit "Glee."

Michael Kors is located at 667 Madison Avenue. For more information visit michalekors.com.

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Also, as part of Fashion's Night Out, singers Will and Anthony Nunziata will perform "A Night Out in Old New York" at the Elie Tahari store in Soho.